1642022224 has 30 divisors (see below), whose sum is σ = 3294932030. Its totient is φ = 792693888.

The previous prime is 1642022177. The next prime is 1642022227. The reversal of 1642022224 is 4222202461.

It can be written as a sum of positive squares in 3 ways, for example, as 60528400 + 1581493824 = 7780^2 + 39768^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642022227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47559 + ... + 74470.

Almost surely, 2^1642022224 is an apocalyptic number.

It is an amenable number.

1642022224 is an abundant number, since it is smaller than the sum of its proper divisors (1652909806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1642022224 is a wasteful number, since it uses less digits than its factorization.

1642022224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122095 (or 122060 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1642022224 is about 40521.8734019048. The cubic root of 1642022224 is about 1179.7582153276.

Adding to 1642022224 its reverse (4222202461), we get a palindrome (5864224685).

The spelling of 1642022224 in words is "one billion, six hundred forty-two million, twenty-two thousand, two hundred twenty-four".